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68 lines
2.1 KiB
68 lines
2.1 KiB
int cellSize = 20;
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int cols = videoWidth / cellSize;
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int rows = videoHeight / cellSize;
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int cellN = (cols)*(rows);
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int[] colorValues = {0, 0, 0, 0, 0, 0, 0, 0};
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byte[] colorByteValues = {0, 0, 0, 0, 0, 0, 0, 0};
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int colorsN = colorValues.length;
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float colorsRange = float(100)/float(colorsN-2);
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void ephPercentage() {
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if (video.available()) {
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video.read();
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video.loadPixels();
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for(int i = 0; i<colorsN; i++) {
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colorValues[i] = 0;
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}
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for (int i = 0; i < cols; i++) {
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for (int j = 0; j < rows; j++) {
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int x = i*cellSize;
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int y = j*cellSize;
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int loc = (video.width - x - 1) + y*video.width; // Reversing x to mirror the image
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// Get hue and brightness values
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float hueVal = constrain(hue(video.pixels[loc]),0,100);
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float briVal = constrain(brightness(video.pixels[loc]),0,100);
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float satVal = constrain(saturation(video.pixels[loc]),0,100);
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// Set pixel color
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color c = color(hueVal, satVal, briVal);
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// Check brightness values,
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// if greater then 80% increace white counter,
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// if lower then 20% increace black counter,
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// otherwise increase color counters
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if(briVal > 20 && briVal < 80) {
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colorValues[constrain(int(hueVal/colorsRange),0,colorsN-3)]++;
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} else if(briVal <= 20) {
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colorValues[colorsN-2]++;
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} else if(briVal >= 80) {
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colorValues[colorsN-1]++;
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}
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pushMatrix();
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translate(x+cellSize/2, y+cellSize/2);
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rectMode(CENTER);
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fill(c);
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noStroke();
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rect(0, 0, cellSize+6, cellSize+6);
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popMatrix();
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}
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}
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// Print colors percentage values
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for(int i = 0; i<colorsN-2; i++) {
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fill(color((i*colorsRange), 100, 100));
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rect(0, (i*5)+5, map(colorValues[i]/(cellN/100),0,100,0,width), 5);
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}
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fill(0);
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rect(0, 5*(colorsN-2)+5, map(colorValues[colorsN-2]/(cellN/100),0,100,0,width), 5);
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fill(100);
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rect(0, 5*(colorsN-1)+5, map(colorValues[colorsN-1]/(cellN/100),0,100,0,width), 5);
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}
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}
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